US PATENT SUBCLASS 347 / 174
.~.~ Single-head type (e.g., multipass)

Current as of: June, 1999
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347 /   HD   INCREMENTAL PRINTING OF SYMBOLIC INFORMATION

171  DF  THERMAL MARKING APPARATUS OR PROCESSES {20}
172  DF  .~ Multicolor {2}
174.~.~ Single-head type (e.g., multipass) {2}
175  DF  .~.~.~> Having multilayers colored transfer material
176  DF  .~.~.~> Having single layer colored transfer material {1}

DEFINITION

Classification: 347/174

Single-head type (e.g., multipass):

(under subclass 172) Subject matter wherein the multicolor symbol or mark is produced by a marking apparatus comprising a transfer material and a single thermal head operatively connected to transfer ink colors at different energy levels or to perform consecutive cycles of printing operations.